CH90554A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for saving fuel in hydrocarbon engines.
Assignee: Frederick Luke
•
Filing: 1919-01-13
•
Granted: —
•
Expires: 1939-01-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick Luke
- 👤 Isaac Crawcour Henry
- 👤 Julius Solomon
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-27 03:56
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/18; F02M17/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.